Wow! Thanks bullfrog. Yes. I had the cellist wrong. Now I'm "just" left with
13A: Genuine article about constant back-pedalling ??H? 4D: Dutch painter's year's in depression ?U?P 5D: Senor Zorro's the sneak lifting American@s fried cakes ?R?L???S
I find these i cryptics mighty challenging! Sometimes help is needed! Any pointers on these, please?